As a global financial center, Hong Kong serves as the ______ role in the course of Renminbi internationalization.
| A．unique | B．only |
| C．single | D．typical |
---- I wonderyou will water this kind of flower.
---- Every other day.
| A．how often | B．how long | C．how sooner | D．how much |
Tom is good a studenthe is often praised by the teacher.
| A．such; as | B．so; as | C．such; that | D．so; that |
The girlis singing an English song in the next room is Tom’s sister.
| A．whom | B．which | C．whose | D．who |
is known to us all, he is an excellent student in our class.
| A．Who | B．That | C．Which | D．As |
This is the reason he was late for class today.
| A．why | B．for that | C．which | D．that |